Home / 750,049.70-1,035,071.30-405,885.59

Finding the Fourth Proportional to 750,049.70, 1,035,071.30 and 405,885.59

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Solution

The fourth proportional to 750,049.70, 1,035,071.30 and 405,885.59 is: 560,123.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,049.70 : 1,035,071.30 = 405,885.59 : x
  2. Step 2: Convert to fraction form
    750,049.70/1,035,071.30 = 405,885.59/x
  3. Step 3: Cross multiply
    750,049.70x = 1,035,071.30 × 405,885.59
  4. Step 4: Simplify right side
    750,049.70x = 420,120,528,894.96
  5. Step 5: Solve for x
    x = 420,120,528,894.96/750,049.70
  6. Step 6: Final answer
    x = 560,123.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.